• TONMOCON VII Announced | MBL at Woods Hole | Apr 6-8, 2018
  • Thanks for visiting! TONMO is the world's greatest online cephalopod enthusiast community, with interactive content going back to May of 2000, and a biennial conference. If you'd like to join in on the fun, become a TONMO member -- it's easy and free. You can follow us on Facebook and Twitter for more cephy goodness.


Do cephalopods have sex based behaviors?

juicy_squid

Pygmy Octopus
Registered
Joined
Feb 9, 2009
Messages
12
#1
Greetings oh great all knowing scholars of Teuthology,

I come before you humbly today to ask thee of a question.
Do cephalopods have behaviors and or personalities that are specific to their sex ? For example, more aggressive, curious, shy, assertive, intimate, passive.

Are they specific to certain specimen?

I not sure this is the correct place for this post, and if so please forgive me.


Thank you
 

monty

TONMO Supporter
Staff member
Supporter
Joined
Mar 8, 2004
Messages
4,887
#2
cuttlefish certainly do. I think Mather classified personalities of octopuses, but I don't know if she found a sex bias.
 

Jean

Colossal Squid
Supporter
Joined
Nov 19, 2002
Messages
4,218
Location
Dunedin, New Zealand
#3
Anecdotally we find our male octopus to be more day active and more of a show off than the females. The females seem to be much more strongly nocturnal. We've never really assessed this thoroughly though, this is just from many years of keeping them in the aquarium (and it could be an aquarium mediated behaviour pattern too!)
 

monty

TONMO Supporter
Staff member
Supporter
Joined
Mar 8, 2004
Messages
4,887
#5

DWhatley

Cthulhu
Staff member
Moderator
Joined
Sep 4, 2006
Messages
19,891
Location
Gainesville, GA
#6
For clarification, your title is specific about behavior and gender where your post only mentions behavior. Are you asking specifically about gender based personality? The answers would be quite different.
 

ckeiser

GPO
Supporter
Joined
Oct 16, 2008
Messages
120
#8
The Caribbean Reef Squid (Sepioteuthis sepioidea) has some amazing differences between the body patterns expressed by males and females during courtship.

One of the most interesting features is the agonistic Silver Display expressed by mate-paired males towards other nearby males. However, showing the Silver Display to a female will result in no copulation. So the males can actually split their body pattern so that they appear Silver (i.e. saying "This is my female, back off!) towards males on one side, and look calm towards their female. Amazing!

For some footage of this male behaviour (and other great ceph body patterning), check out this video:

http://www.ted.com/index.php/talks/david_gallo_shows_underwater_astonishments.html

Great enquiry, JS.
Cheers.
 

Shanks

Cuttlefish
Registered
Joined
Sep 23, 2009
Messages
19
#9
ckeiser;135679 said:
The Caribbean Reef Squid (Sepioteuthis sepioidea) has some amazing differences between the body patterns expressed by males and females during courtship.

One of the most interesting features is the agonistic Silver Display expressed by mate-paired males towards other nearby males. However, showing the Silver Display to a female will result in no copulation. So the males can actually split their body pattern so that they appear Silver (i.e. saying "This is my female, back off!) towards males on one side, and look calm towards their female. Amazing!

For some footage of this male behaviour (and other great ceph body patterning), check out this video:

http://www.ted.com/index.php/talks/david_gallo_shows_underwater_astonishments.html

Great enquiry, JS.
Cheers.
I'm picturing a guy at a club talking to a girl and occasionally turning his head and wiping his eye with his middle finger at other guys around him
 

Neogonodactylus

Haliphron Atlanticus
Staff member
Moderator
Joined
Mar 17, 2003
Messages
662
#10
The most extensive study of differences in sexual behavior between the sexes is Crissy Huffard's dissertation research on Abdopus aculeatus. I've attached the pdf. THere will be at least one more paper coming out on sex differences and another on female courtship behavior.

Roy
 

Attachments

DWhatley

Cthulhu
Staff member
Moderator
Joined
Sep 4, 2006
Messages
19,891
Location
Gainesville, GA
#11
Crissy's observations kept reminding me of the Australian cuttlefish video I recently rewatched, especially the sneaker male actions and the extended mating time.
 

Members online